diff options
Diffstat (limited to 'dlfcn/glrefmain.c')
-rw-r--r-- | dlfcn/glrefmain.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/dlfcn/glrefmain.c b/dlfcn/glrefmain.c new file mode 100644 index 0000000000..32854b1bd2 --- /dev/null +++ b/dlfcn/glrefmain.c @@ -0,0 +1,76 @@ +/* Test for dependency tracking added by relocations. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <dlfcn.h> +#include <error.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> + + +static void * +load (const char *name) +{ + void *d = dlopen (name, RTLD_LAZY | RTLD_GLOBAL); + if (d == NULL) + error (EXIT_FAILURE, errno, "cannot load `%s'", name); + return d; +} + + +#define TEST_FUNCTION do_test () +int +do_test (void) +{ + void *d1; + void *d2; + int (*f) (void); + + d1 = load ("glreflib1.so"); + d2 = load ("glreflib2.so"); + + f = dlsym (d2, "ref2"); + if (f == NULL) + error (EXIT_FAILURE, errno, "cannot get pointer to `%s'", "ref2"); + + if (f () != 42) + error (EXIT_FAILURE, 0, "wrong result from `%s'", "ref2"); + + puts ("Correct result in first call"); + fflush (stdout); + + /* Now unload the first file. */ + dlclose (d1); + + puts ("About to call the second time"); + fflush (stdout); + + /* Try calling the function again. */ + if (f () != 42) + error (EXIT_FAILURE, 0, "wrong result from `%s' (second call)", "ref2"); + + puts ("Second call succeeded!"); + fflush (stdout); + + dlclose (d2); + + return 0; +} + +#include "../test-skeleton.c" |